Supabase has released several updates during Launch Week Day 6, including new documentation built with Next.js, improved storage features such as image resizing and a Smart CDN, multi-factor authentication, and foreign data wrappers for Postgres. The company also introduced Vault for encrypted secrets and encryption in Postgres, pg_graphql v1 for GraphQL support in Postgres, Point-in-Time Recovery, custom domains, and PostgreSQL 15 support. Additionally, Supabase has partnered with companies like Flutterflow and OneSignal to offer new tools for app development and push notifications. These updates aim to improve the overall developer experience and provide more features for building secure and scalable applications.